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r18221: moved more configure checks into lib/replace/

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(This used to be commit d853dcfda7)
This commit is contained in:
Andrew Tridgell 2006-09-07 13:11:47 +00:00 committed by Gerald (Jerry) Carter
parent 817d153870
commit afe2fde6fd
3 changed files with 32 additions and 65 deletions
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55
source4/build/m4/check_cc.m4
View File

@ -23,61 +23,6 @@ if test x$ac_cv_prog_cc_g = xyes -a x$debug = xyes; then
CFLAGS="${CFLAGS} -g"
fi
dnl needed before AC_TRY_COMPILE
AC_ISC_POSIX
AC_C_INLINE
AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [
dnl Check whether the compiler can generate precompiled headers
touch conftest.h
if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then
precompiled_headers=yes
else
precompiled_headers=no
fi])
AC_SUBST(precompiled_headers)
dnl Check if the C compiler understands volatile (it should, being ANSI).
AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
samba_cv_volatile=yes,samba_cv_volatile=no)])
if test x"$samba_cv_volatile" = x"yes"; then
AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
fi
############################################
# check if the compiler can do immediate structures
AC_CACHE_CHECK([for immediate structures],samba_cv_immediate_structures, [
AC_TRY_COMPILE([
#include <stdio.h>],
[
typedef struct {unsigned x;} FOOBAR;
#define X_FOOBAR(x) ((FOOBAR) { x })
#define FOO_ONE X_FOOBAR(1)
FOOBAR f = FOO_ONE;
static struct {
FOOBAR y;
} f2[] = {
{FOO_ONE}
};
],
samba_cv_immediate_structures=yes,samba_cv_immediate_structures=no)])
if test x"$samba_cv_immediate_structures" = x"yes"; then
AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures])
fi
AC_SUBST(samba_cv_immediate_structures)
############################################
# check if the compiler handles c99 struct initialization
LIBREPLACE_C99_STRUCT_INIT(samba_cv_c99_struct_initialization=yes,
samba_cv_c99_struct_initialization=no)
if test x"$samba_cv_c99_struct_initialization" != x"yes"; then
AC_MSG_WARN([C compiler does not support c99 struct initialization!])
AC_MSG_ERROR([Please Install gcc from http://gcc.gnu.org/])
fi
############################################
# check if the compiler can handle negative enum values

10
source4/build/m4/check_types.m4
View File

@ -5,16 +5,6 @@ dnl Released under the GNU GPL
dnl -------------------------------------------------------
dnl
dnl Add #include for broken IRIX header files
case "$host_os" in
*irix6*) AC_ADD_INCLUDE(<standards.h>)
;;
esac
AC_C_BIGENDIAN
AC_HEADER_STDC
AC_CHECK_SIZEOF(short,cross)
AC_CHECK_SIZEOF(int,cross)
AC_CHECK_SIZEOF(long,cross)

32
source4/lib/replace/libreplace.m4
View File

@ -1,3 +1,7 @@
dnl needed before AC_TRY_COMPILE
AC_ISC_POSIX
AC_C_INLINE
LIBREPLACE_C99_STRUCT_INIT([],[])
@ -16,6 +20,16 @@ AC_SUBST(LIBREPLACEOBJ)
AC_SYS_LARGEFILE
dnl Add #include for broken IRIX header files
case "$host_os" in
*irix6*) AC_ADD_INCLUDE(<standards.h>)
;;
esac
AC_C_BIGENDIAN
AC_HEADER_STDC
AC_CHECK_HEADERS([stdint.h inttypes.h])
AC_CHECK_TYPE(uint_t, unsigned int)
AC_CHECK_TYPE(uint8_t, unsigned char)
@ -260,3 +274,21 @@ if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
fi
AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [
dnl Check whether the compiler can generate precompiled headers
touch conftest.h
if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then
precompiled_headers=yes
else
precompiled_headers=no
fi])
AC_SUBST(precompiled_headers)
dnl Check if the C compiler understands volatile (it should, being ANSI).
AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
samba_cv_volatile=yes,samba_cv_volatile=no)])
if test x"$samba_cv_volatile" = x"yes"; then
AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
fi